Finding the Fourth Proportional to 2,760.96, 3,808.22 and 1,909.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.96 : 3,808.22 = 1,909.83 : x
2. Step 2: Convert to fraction form
   2,760.96/3,808.22 = 1,909.83/x
3. Step 3: Cross multiply
   2,760.96x = 3,808.22 × 1,909.83
4. Step 4: Simplify right side
   2,760.96x = 7,273,043.25
5. Step 5: Solve for x
   x = 7,273,043.25/2,760.96
6. Step 6: Final answer
   x = 2,634.24